package sim.ring.gui.treedata;

public class DataModelChangeListener implements IChangeListener {

protected static DataModelChangeListener singleInstance = new DataModelChangeListener();
	
	
	public static DataModelChangeListener getInstance() {
		return singleInstance;
	}

	@Override
	public void add(ChangeEvent event) {
	}

	@Override
	public void remove(ChangeEvent event) {
	}

}
